The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 3 days. Why not try and solve them ahead of time?
Pascal’s Triangle in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 319th JayXon 🇺🇸 918 71 1ms 23 Dec 2025 319th sean-niemann 🇺🇸 918 71 2ms 23 Dec 2025 319th GrayJoKing 🇦🇺 918 71 2ms 23 Dec 2025 319th jared-hughes 918 71 2ms 24 Dec 2025 319th MeWhenI 🇻🇦 918 71 2ms 25 Dec 2025 319th Waffle3z 918 71 1ms 26 Dec 2025 319th FlyingPenguin223 918 71 1ms 29 Dec 2025 319th primo-ppcg 🇹🇭 918 71 1ms 17 Jan 2026 319th Steffan153 🇫🇮 918 71 1ms 11 Feb 2026 330th primo-ppcg 🇹🇭 917 47 1ms 15 Nov 2022 330th canissimia 🇦🇶 917 47 1ms 3 Dec 2025 332nd primo-ppcg 🇹🇭 915 37 1,022ms 16 Feb 2022 332nd HPWiz 🇳🇿 915 37 1,024ms 12 Mar 2022 334th Lydxn 🇨🇦 915 41 287ms 12 Aug 2022 334th SirBogman 🇺🇸 915 41 244ms 4 Oct 2025 336th zacjl 911 58 6ms 2 Jan 2025 337th Lydxn 🇨🇦 911 110 294ms 3 Jul 2022 338th primo-ppcg 🇹🇭 910 54 1,299ms 24 Mar 2021 338th Lydxn 🇨🇦 910 54 1,276ms 28 Sep 2021 338th JayXon 🇺🇸 910 54 1,340ms 21 Oct 2025 341st primo-ppcg 🇹🇭 910 83 135ms 14 Jan 2022 341st andersk 🇺🇸 910 83 135ms 1 Nov 2022 343rd MeWhenI 🇻🇦 908 38 5ms 24 Jun 2022 344th hiddicop 🇸🇪 908 45 36ms 30 Jan 2021 344th JayXon 🇺🇸 908 45 284ms 18 Nov 2021 344th ovs-code 🇩🇪 908 45 281ms 10 May 2024 344th DialFrost 🇸🇬 908 45 250ms 17 May 2024 344th Steffan153 🇫🇮 908 45 262ms 23 May 2024 344th antimon2 🇯🇵 908 45 271ms 22 Oct 2024 344th sean-niemann 🇺🇸 908 45 261ms 13 Mar 2025 351st PFischbeck 908 58 11ms 7 Feb 2018 351st daedals 908 58 10ms 18 Apr 2019 351st Sakaala 908 58 11ms 23 Apr 2019 351st rak1507 🇬🇧 908 58 10ms 29 Dec 2020 351st btjones0 908 58 10ms 1 Jan 2021 351st LlamaLad7 🇬🇧 908 58 10ms 16 Jan 2021 351st artieleach 908 58 11ms 7 Feb 2021 351st 77Tigers 908 58 10ms 28 Feb 2021 351st Indivicivet 908 58 9ms 15 Mar 2021 351st ArmaanAS 908 58 10ms 26 Mar 2021 351st Kloppermand 🇩🇰 908 58 10ms 26 Aug 2021 351st RYNO8 908 58 11ms 28 Aug 2021 351st tianshuo 908 58 10ms 13 Feb 2022 351st CedricGebistorf 908 58 11ms 4 Mar 2022 351st tkr-sh 🇰🇵 908 58 10ms 16 Apr 2022 351st thisishowmymindworks 🇳🇴 908 58 10ms 25 Apr 2022 351st Irratix 🇳🇱 908 58 10ms 25 Apr 2022 351st ademdj19 908 58 10ms 29 Apr 2022 351st jdw1023 908 58 10ms 29 Apr 2022 351st programjames 908 58 12ms 7 May 2022 351st suwat513 908 58 10ms 22 Sep 2022 351st stefangimmillaro 908 58 12ms 6 Oct 2022 351st nexaitch 908 58 10ms 13 Oct 2022 351st QuincyNash 🇺🇸 908 58 10ms 9 Nov 2022 351st fourth-bit 908 58 10ms 13 Nov 2022 351st nayakrujul 908 58 10ms 3 Jan 2023 351st randolchance 908 58 10ms 6 Mar 2023 351st Just4FunCoder 908 58 11ms 23 Mar 2023 351st ABoredNErd 908 58 10ms 24 Apr 2023 351st apreg 908 58 11ms 2 May 2023 351st rollershutter 908 58 11ms 4 Jul 2023 351st Grrisly 908 58 10ms 4 Nov 2023 351st duckyluuk 🇳🇱 908 58 11ms 6 Feb 2024 351st SB-945 908 58 10ms 25 Feb 2024 351st jtaxen 908 58 10ms 25 Mar 2024 351st hellwue 908 58 11ms 25 Jun 2024 351st 051 🇸🇬 908 58 10ms 1 Aug 2024 351st EnTerr 908 58 10ms 1 Sep 2024 351st hiichbindermax 908 58 10ms 5 Sep 2024 351st LostSyntax21 🇬🇧 908 58 10ms 30 Nov 2024 351st ImpressedByRocks 908 58 11ms 10 Dec 2024 351st klixel 🇨🇦 908 58 10ms 17 Jan 2025 351st BREMAUCY 🇫🇷 908 58 10ms 15 Feb 2025 351st keelimeguy 🇺🇸 908 58 11ms 7 May 2025 351st vgamula 🇺🇦 908 58 10ms 17 Jul 2025 351st ahmetdemirag 🇨🇾 908 58 11ms 1 Oct 2025 351st jacekwladzinski 908 58 10ms 4 Oct 2025 351st luuumine 🇫🇷 908 58 10ms 14 Oct 2025 351st solisolu 908 58 11ms 8 Nov 2025 351st Languag3 908 58 11ms 5 Dec 2025 First Prev 321–400 of 3,064 Next Last